The following are known Action Replay Codes for Manic Miner on Nintendo Game Boy Advance (GBA).

These are Action Replay Version 3 (V3) Codes.

The codes should work with the region specified but may work for other regions as well.

(M)
55498a96
119fe8e2
5b143af2
7fb5dae0

Inf Lives
37bed89b
a556c7e2

Exit Open
7322cafe
95c09fa4

Score
e97252e3
e06276b0